| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but why do n't [pron] | 20 |
|
| 2 | [conj] why do n't you | 20 |
|
| 3 | but why do n't [pers pn] | 20 |
|
| 4 | but why [verb] n't you | 20 |
|
| 5 | [coord] why do n't you | 20 |
|
| 6 | but why do n't you | 19 |
|
| 7 | but why [vb base] n't you | 10 |
|
| 8 | but why do n't you | 9 |
|
| 9 | but why do [adv] you | 9 |
|
| 10 | but why do n't you | 9 |
|
| 11 | but [adv] do n't you | 9 |
|
| 12 | but why do not you | 9 |
|
| 13 | but why do n't you | 9 |
|
| 14 | but why do [not/n't] you | 9 |
|
| 15 | but [Wh adv] do n't you | 9 |
|
